Jason Beaubien
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Why cholera is striking in Africa. It's a disease that's easy to control with proper treatment. But without medical care, patients can perish quickly. -
Some researchers now say that tens of thousands of deaths due to kidney failure may be linked to climate change. But others aren't so sure. -
Brazil has launched a massive vaccination campaign to protect against a disease that has killed hundreds of people. But it's facing huge challenges, including a shortage of the yellow fever vaccine. -
The world has wiped out only one human disease: smallpox. Guinea worm disease looks like it's on the verge of being the second. -
The paralyzing virus had seemed on the verge of disappearing. But this year cases are being reported in 10 countries. The World Health Organization has responded with strict vaccination rules.
